Place the Five Phases of a Myocardial Action Potential in Correct

question 12

Multiple Choice

Place the five phases of a myocardial action potential in correct order.
1) Fast sodium channels are inactivated
2) Cell returns to its "resting" state
3) "Plateau" phase
4) Initial rapid depolarization of myocardial tissues
5) Calcium channels close

• A)1,3,2,5,4
• B)4,1,3,5,2
• C)1,2,3,4,5
• D)4,1,2,5,3

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Definitions:

Standard Error

A statistical measure that quantifies the variability or spread of sample means around the population mean.

Variance

The square of the standard deviation and another measure of a distribution’s spread or dispersion.

Independent Variable

The variable that is manipulated or controlled by the researcher to test its effect on the dependent variable.

Compound Interest

Compound interest is the interest on a loan or deposit calculated based on both the initial principal and the accumulated interest from previous periods.